Home / 419,139,196.20-628,708,794.30-146,481,532.20

Finding the Fourth Proportional to 419,139,196.20, 628,708,794.30 and 146,481,532.20

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Solution

The fourth proportional to 419,139,196.20, 628,708,794.30 and 146,481,532.20 is: 219,722,298.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,139,196.20 : 628,708,794.30 = 146,481,532.20 : x
  2. Step 2: Convert to fraction form
    419,139,196.20/628,708,794.30 = 146,481,532.20/x
  3. Step 3: Cross multiply
    419,139,196.20x = 628,708,794.30 × 146,481,532.20
  4. Step 4: Simplify right side
    419,139,196.20x = 92,094,227,496,678,608
  5. Step 5: Solve for x
    x = 92,094,227,496,678,608/419,139,196.20
  6. Step 6: Final answer
    x = 219,722,298.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.